Create a New Linux Superuser Admin User

The other day I had to add a sudo user in Linux. I have done this many times in Ubuntu/Debian Linux boxes, but forgot how to create a new Linux superuser in RedHat/CentOS/Fedora family. I created this quick review and maybe can help others. Create New Linux Superuser in Ubuntu/Debian Let’s do this using the …

Setup Apache Virtual Hosts on Red Hat 8

Last week a client asked me to setup a dev and production environments on their new Red Hat 8 box. I have setup Apache virtual hosts in Ubuntu in the past. I knew to setup Apache virtual hosts on Red Hat 8 should not be that difficult. This is when I decided to take a …

Reload Config Apache httpd Without Restarting Apache in Linux

I was not sure when a client asked me “How do I gracefully restart Apache on my Linux server?” This prompt me to brew another coffee at home and then find how to reload Apache httpd config without restarting Apache server. There are several methods for this depending on your Linux version: Using apachectl to …

Ping Command Examples in Brief

The ping command is one of the most common used commands in the IT field. After taking a walk in Brooklyn New York City I decided to put together some ping command examples to remember. Basic ping command The most basic ping command example would be to just ping itprohelper.com: You can also test your …

Enable vim Syntax Highlighting

I have to admit, I’m addicted to vim. There are many cool editors out there, but I still not used to them. Now, that I discovered how to enable vim syntax highlighting I decided to share some details. First, I want to thank you for your support with my ITPro Helper shop. I’m going to …

Find Command Examples Linux and macOS

I wanted to put together some find command examples because I tend to forget this useful Linux command often. It is very important for Linux/MacOS administrators or DevOps to master the find command. While having my favorite Caturra variety coffee the other day I decided to put together this brief find command examples: 1. Search …

Mirror a Website Using wget

The command is simple and to mirror a website using wget works fantastic. While I was crossing the Williamsburg Bridge in NYC I received a Slack chat from a customer. They wanted to backup some really old WordPress sites and just archive them as simple html files. You can mirror a website using wget easily. …

Find Public IP Address using Linux Command Line

The other day I had to ssh into a RedHat Linux server to help a friend. My friend wanted to find the public IP address using Linux command line. This is simpler than what I imaged. After having one of my favorite Latin America coffee from Peru I was able to find the answer. Use …

Generate SSH Key Pair in Linux to Remote Without a Password

The other day I got a new laptop and needed to generate ssh key pair. Sometimes you forget basic commands when you don’t run them on a daily basis. So, I took a short walk in Brooklyn, New York City before I started working on my new laptop setup. To generate ssh key pair in …

Change Default Shell to bash macOS Big Sur

The other day I got a new Apple M1 processor chip (I really don’t like there’s only two ‘USB-4’ ports and the ‘Magic bar’ bothers me!). But, anyways when I opened my terminal i noticed the below message and wanted to change default shell to bash for this macOS Bir Sur. I got used to …